Global Patent Index - EP 2172871 A3

EP 2172871 A3 20100728 - Eye opening detection system and method

Title (en)

Eye opening detection system and method

Title (de)

System und Verfahren zur Erkennung von Augenöffnung

Title (fr)

Système et procédé de détection d'ouverture oculaire

Publication

EP 2172871 A3 20100728 (EN)

Application

EP 10150232 A 20071106

Priority

  • EP 07858864 A 20071106
  • JP 2006300951 A 20061106

Abstract (en)

[origin: WO2008056229A2] An eye opening detection system that includes imaging means (120) for capturing an image of the face of a detected subject, edge extraction means for extracting the edge of the image captured, and upper and lower eyelid detection means for detecting the upper and lower eyelids of the detected subject according to the edge extracted, and that detects the eye opening of the detected subject with reference to a detected distance between the upper and lower eyelids, characterized in that the upper and lower eyelid detection means detects the upper eyelid and detects the lower eyelid with reference to the upper eyelid detected.

IPC 8 full level

G06K 9/00 (2006.01); A61B 5/18 (2006.01); B60K 28/06 (2006.01); G08B 21/06 (2006.01)

CPC (source: EP US)

A61B 3/14 (2013.01 - EP US); A61B 5/18 (2013.01 - EP US); G06V 40/165 (2022.01 - EP US); G06V 40/171 (2022.01 - EP US); G08B 21/06 (2013.01 - EP US); B60K 28/06 (2013.01 - EP US)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

WO 2008056229 A2 20080515; WO 2008056229 A3 20080717; CN 101523411 A 20090902; CN 101523411 B 20150429; DE 602007008120 D1 20100909; EP 2074550 A2 20090701; EP 2074550 B1 20100728; EP 2172871 A2 20100407; EP 2172871 A3 20100728; JP 2008113902 A 20080522; JP 4331197 B2 20090916; US 2010094176 A1 20100415; US 8435188 B2 20130507

DOCDB simple family (application)

IB 2007003369 W 20071106; CN 200780036658 A 20071106; DE 602007008120 T 20071106; EP 07858864 A 20071106; EP 10150232 A 20071106; JP 2006300951 A 20061106; US 44377507 A 20071106